package bit.lotterysystem.dao.mapper;

import bit.lotterysystem.dao.dataobject.ActivityPrizeDO;
import org.apache.ibatis.annotations.*;

import java.util.List;

@Mapper
public interface ActivityPrizeMapper {

    @Insert("<script>" +
            " insert into activity_prize (activity_id,prize_id,prize_amount,prize_tiers,status)" +
            " values"+

            " <foreach collection='items' item='item' index='index' separator=',' >" +
            " (#{item.activityId},#{item.prizeId},#{item.prizeAmount},#{item.prizeTiers},#{item.status})"+
            " </foreach>"+
            " </script>")
    @Options(useGeneratedKeys = true ,keyProperty = "id",keyColumn = "id")
    int batchInsert(@Param("items") List<ActivityPrizeDO> activityPrizeDOList);

    @Select("select * from activity_prize where activity_id=#{id}")
    List<ActivityPrizeDO> selectByActivityId(@Param("id") Long activityId);

    @Select("select * from activity_prize where activity_id=#{id} and prize_id=#{prizeId}")
    ActivityPrizeDO selectByAPId(@Param("id") Long activityId,@Param("prizeId") Long prizeId);

    @Select("select count(1) from activity_prize where activity_id=#{activityId} and status=#{status} ")
    int countPrize(@Param("activityId") Long activityId,
                   @Param("status") String status);


    @Update("update activity_prize set status=#{status} where activity_id=#{activityId} and prize_id=#{prizeId}")
    void updateStatus(@Param("activityId") Long activityId,
                      @Param("prizeId") Long prizeId,
                      @Param("status") String status);//其实可以写成String name,而sql语句中用的是@Param里的值。至于前端，只和接口参数名有关，如controllerl类
}
